Binary, Hexadecimal, Decimal Calculator

Convert & Calculate Across Number Bases

All-in-One Number System Tool

Enter any whole number (e.g., 255)

Enter hex values (e.g., FF, 1A3)

Enter binary digits (e.g., 10101010)

Enter octal values (e.g., 377, 123)

Key Features

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Convert numbers between Binary, Hexadecimal, Decimal

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Perform addition, subtraction, multiplication, division in any base

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Support for negative numbers

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Clear and intuitive interface

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Copy results to clipboard

Conversion Examples

Add binary and decimal, show results in all bases

Input:

1011 (Binary) + 5 (Decimal)

Output:

10000 (Binary) | 16 (Decimal) | 10 (Hex)

Multiply hex and decimal, show results in all bases

Input:

1A (Hex) * 2 (Decimal)

Output:

34 (Hex) | 52 (Decimal) | 110100 (Binary)

Convert hex to decimal and binary

Input:

FF (Hex)

Output:

255 (Decimal) | 11111111 (Binary)

Common Use Cases

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Education and learning computer science

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Software development and debugging

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Network engineering and configuration

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Digital circuit design

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Data analysis and interpretation

Ready to Convert?

Start using our binary, hexadecimal, decimal calculator now. It's free, fast, and accurate!